Home / 13,348.88-18,418.13-7,605.12

Finding the Fourth Proportional to 13,348.88, 18,418.13 and 7,605.12

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Solution

The fourth proportional to 13,348.88, 18,418.13 and 7,605.12 is: 10,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.88 : 18,418.13 = 7,605.12 : x
  2. Step 2: Convert to fraction form
    13,348.88/18,418.13 = 7,605.12/x
  3. Step 3: Cross multiply
    13,348.88x = 18,418.13 × 7,605.12
  4. Step 4: Simplify right side
    13,348.88x = 140,072,050.80
  5. Step 5: Solve for x
    x = 140,072,050.80/13,348.88
  6. Step 6: Final answer
    x = 10,493.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.